1319401 has 2 divisors, whose sum is σ = 1319402. Its totient is φ = 1319400.

The previous prime is 1319399. The next prime is 1319407. The reversal of 1319401 is 1049131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1243225 + 76176 = 1115^2 + 276^2 .

It is an emirp because it is prime and its reverse (1049131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1319401 - 2¹ = 1319399 is a prime.

Together with 1319399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1319407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659700 + 659701.

It is an arithmetic number, because the mean of its divisors is an integer number (659701).

2^1319401 is an apocalyptic number.

It is an amenable number.

1319401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319401 is an equidigital number, since it uses as much as digits as its factorization.

1319401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1319401 is about 1148.6518184376. The cubic root of 1319401 is about 109.6795356133.

The spelling of 1319401 in words is "one million, three hundred nineteen thousand, four hundred one".